* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", Arial, sans-serif;
}

body {
    width: 80%;
    max-width: 1000px;
    margin: 30px auto;
    padding: 20px;
    background-color: #f5f5f5;
    color: #333;
}

/* 标题样式 */
h1 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 15px;
    border-bottom: 2px solid #3498db;
}

h2 {
    color: #34495e;
    margin: 25px 0 15px;
    font-size: 1.4em;
}

/* 表单样式 */
form {
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}